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Kenia · Cono de toba

North Island

Lake Turkana North Island

Tipo
Cono de toba
Altitud
490 m
Última erupción
Desconocido
North Island in the north-central part of Lake Turkana is the northernmost and smallest of three volcanic islands in the lake. The two darker lava flows originated from a central tuff ring and formed lava deltas. The broad northern flow (left) originated from a vent on the flank and produced a 900-m-wide, lobate delta. The western flow (lower right) moved from the central vent through a breach in the western crater wall. Fumarolic activity occurs along the light-colored ridge at the top and along the SW coast.
North Island in the north-central part of Lake Turkana is the northernmost and smallest of three volcanic islands in the lake. The two darker lava flows originated from a central tuff ring and formed lava deltas. The broad northern flow (left) originated from a vent on the flank and produced a 900-m-wide, lobate delta. The western flow (lower right) moved from the central vent through a breach in the western crater wall. Fumarolic activity occurs along the light-colored ridge at the top and along the SW coast. · Foto: Photo by Martin Smith, 1993 (copyright British Geological Survey, NERC).
Tipo
Cono de toba
País
Kenia
Región
África Oriental / Kenyan Rift Volcanic Province
Altitud
490 m
Coordenadas
4.063, 36.046
Última erupción
Desconocido
Contexto tectónico
Zona de rift / Corteza continental (> 25 km)
Forma volcánica
Menor (basáltico)
Roca principal
Traquiandesita / Traquiandesita basáltica

Resumen geológico

Original en inglés

The 2-km-wide North Island in Lake Turkana is the northernmost and smallest of three volcanic islands in the lake.

Extracto del Global Volcanism Program, Smithsonian Institution · Leer el resumen completo en el GVP →

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⚠ Solo como referencia. No apto para respuesta ante emergencias.